Basic MySQL Interview Questions for Freshers1. What is SQL Server? SQL Server is one of the database management systems (DBMS) and is designed by Microsoft. DBMS are computer software applications with the capability of interacting with users, various other applications, and databases. The ...
Basic SQL JOINS Interview Questions and Answers for Freshers1. What is SQL JOINS? The SQL JOIN component joins rows from one or more tables in a relational database. Create sets that can be stored in tabular form or used routinely. JOIN is to combine columns from one table or multiple ...
delete or update information in a database. Usually, a query response returns data from different tables within the database, but this does not apply every time (for example, a delete query will not return
SQL is used and is popular for server-side programmers for its ability to process a large number of entries in a database in a very fast and easy manner. This opens up to large improvements in data retrieval and manipulation. To expound on this, SQL provides the ability to execute, retri...
Explanation:A LEFT JOIN is used here to include all employees. If an employee doesn’t belong to a department, the result will show NULL for the department name. 6. Self Join to Find Manager-Employee Relationship Question: Write a query to list employees along with their manager’s name. ...
SQL Interview Questions for beginners and professionals with sql, tutorial, examples, insert, update, delete, select, join, database, table, join
What is Database Normalization, and what are its main four types in SQL? Database Normalization is a process through which data is organized for faster accessibility and to reduce data redundancy. A database’s columns and tables are organized during normalization to make sure that any dependenci...
SQL Interview Questions http://career.guru99.com/top-50-sql-question-answers/ 1. What is DBMS? A Database Management System (DBMS) is a program that controls creation, maintenance and use of a database. DBMS can be termed as File Manager that manages data in a database rather than ...
Interview question - Order Process Automation An ecommerce transaction starts on an instance of SAP Hybris at the frontend (browser-based). The order then flows through a bespoke SQL Server based Data Hub, into MS Dynamics 365 (F&O), where the order orchestrated. The flow also includes several...
2. What Is SQL and How Is It Used in MySQL? SQLis an abbreviation for Structured Query Language and it is used for communicating with relational databases, such asMySQL. More specifically,SQLcan be utilized to create, update, or fetch data from the MySQL database. You can also use it ...